Update to Makie 0.15.2 and AbstractGPs 0.4 and 0.5

[devmotion]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 1172241960

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 2 of 3 (66.67%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 23.529%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/recipes/gpsample.jl	0	1	0.0%

Totals
Change from base Build 1170951000:	0.0%
Covered Lines:	16
Relevant Lines:	68

---

💛 - Coveralls

[codecov-commenter]

Codecov Report

Merging #33 (9537d6d) into main (bebc12c) will not change coverage.
The diff coverage is 66.66%.

@@           Coverage Diff           @@
##             main      #33   +/-   ##
=======================================
  Coverage   23.52%   23.52%           
=======================================
  Files           4        4           
  Lines          68       68           
=======================================
  Hits           16       16           
  Misses         52       52           

Impacted Files	Coverage Δ
src/recipes/gpsample.jl	0.00% <0.00%> (ø)
src/conversions.jl	93.75% <100.00%> (ø)
src/recipes/symband.jl	6.66% <100.00%> (ø)

---

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